Fitness
Hamstring Length Asymmetry Screen
Hamstring length asymmetry screening compares side-to-side flexibility—large gaps flag athletes who need targeted eccentric work, not stretching alone.
Hamstring length asymmetry screening compares active straight-leg raise or supine hip flexion side to side—large left-right gaps can precede strain in sprinting athletes. Screens are not diagnoses; they flag who needs targeted mobility and eccentric work.
Pair with strength symmetry tests, not stretching alone.
Common questions
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What asymmetry is worth acting on?
Consistent gaps above roughly ten to fifteen degrees between sides—or pain with the test—warrant clinician review and a progressive eccentric plan, not aggressive static stretching alone.
Related terms
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